Answered question
In Montreal we don´t have service.
You can check here
https://community.fizz.ca/questions/1940556-status-services-april-2-2019
or
https://fizz.ca/en/faq/status-services
Other answers
The network is down in Quebec and Ottawa.
Fizz is investigating.
They haven't found what is the problem yet so it may take a while till service comes back
They are up again, but for sure you already know.
Can you please close the post clicking on the button Make this a best answer?